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Mark N. Weingart
4500 S. Lakeshore Dr.
Suite 550
Tempe, AZ 85282
Phone: 480-897-8737
Website: arizonaduilaw.com

About Mark N. Weingart
Mr. Weingart has been practicing law for over 35 years. He is a former assistant county prosecuting attorney in the State of Ohio, where he prosecuted in excess of 100 D.U.I. cases. When he came to Arizona in 1979, he was appointed as a city court judge in the City of Tempe, where he presided over D.U.I. cases. He worked full and part-time in that capacity as a judge from 1979 until 1986. Also for a six-year period, he served as an Assistant Attorney General for the State of Arizona. Additionally, Mr. Weingart has participated as a seminar lecturer, both locally and nationally, on D.U.I. defense techniques. Mr. Weingart is frequently consulted by the media as a legal expert on D.U.I. and other vehicular crime-related issues and has appeared on both local radio and television news. Mr. Weingart is a Founding Member of the National College for D.U.I. Defense, member of the Maricopa County, Ohio State and American Bar Associations, State Bar of Arizona, Association of Trial Lawyers of America, American Judicature Society and Arizona Attorneys for Criminal Justice and has been certified by the Arizona State Bar Association as a Criminal Law Specialist.
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Virtual Forensic Library

NCDD members have access to a comprehensive forensic library that provides invaluable information to be used when defending clients charged with DUI.
This library includes scientific articles on drug and alcohol intoxication, toxicology and pharmacology, methods of testing for blood alcohol content, field sobriety testing, potential errors that may occur during testing, accident reconstruction, expert testimony, and evidentiary rules. This valuable information can ensure that you provide a high quality defense to clients charged with DUI based on the circumstances of their case and the laws in their state.
FROM OUR BLOG
Personal Contact: Using the Officer's Observations Against Them
03/10/2025
Written by Charles GoodwinEdited by Michelle Behan and Steven Hernandez The typical DUI investigation has three phases. It begins with the vehicle in motion and focuses on driving patterns that officers are trained might indicate impairment. Next is personal contact, where the officer will observe physical manifestations that are also purportedly correlated with alcohol ingestion and impairment. Finally, the officer will...
Introduction of Autonomous Vehicles and SAE Levels of Driving Automation
02/12/2025
By By Lance Hendron An autonomous vehicle, in other words is self-driving car, is a car that is capable of operating with reduced or no human input.1 In 2014, the Society of Automotive Engineers (SAE), launched SAE J3016 Recommended Practice: Taxonomy and Definitions for Terms Related to Driving Automation Systems for On-Road Motor Vehicles, commonly referenced as the SAE Levels of...